The Living World Questions and Answers

The EphA4 receptor signals for growth cone collapse by the following signal transduction pathway Activation of Rho to relay signals to the cytoskeleton Activation of Rap to activate integrin signaling Activation of Ran to regulate mitotic spindle assembly Activation of Rheb to stimulate mTOR

The small GTPases Ras is often found mutated in cancers A This mutation is a deletion that causes a loss of function B This mutation is usually a deletion mutation which causes the protein to stay bound to GDP C This mutation is usually a missense mutation which causes the protein to stay bound to GTP D This mutation is usually a translocation that results in an

Cells coordinate their lamellipodia by the following mechanism By muscle contractions The intracellular signaling of intermediate filaments and microtubules The coordination of the actin cortex and actin polymerization By all of the given answers

burace Receptors have all the following variable characteristics except which of the following Upon subunit dimerization they signal for autophosphorylation of lysine amino acids Ligand binding can inititiate dimerization They can allow ions to move through the cell membrane When bound to ligand they couple protein signals for nucleotide bydolysis

Receptor tyrosine kinases often are A phosphorylate serine residues to activate down stream signal transduction B shuttled to the nucleus to activate transcription C dimerize and autophosphorylate to begin signal transduction D are inactivated by ligand binding

When Jason received a score on an assignment and asked his classmate what she scored he is engaging in which influence on self concept cultural teachings O social comparison reflected appraisals alfevaluations

1 Why do you think there is so much difference in hair between human men and women J

Our personality remains largely stable throughout True O False our lives

Sar1 GTPase plays an important role in COPII coat formation Scientists generated a Sar1 GTPase mutant in which the GTPase activity is lost How this mutant would affect the COPII mediated transport No effect would be observed COPII coated vesicles can t form at all COPII coated vesicles can form but the coat can t be disassembled and thus the vesicles can t fuse with the target membrane COPII coated vesicles can form normally but the coat can t be disassembled However the coated vesicles can still dock and fused with the target membrane

Identify each channel as either synchronous or asynchronous phone call e mail synchronous

QUESTION 45 How can bioremediation be used to reduce macro and microplastics in the environment For the toolbar press ALT F10 PC or ALT FN F10 Mac

vs glucose mutations affecting the lac operon lacZ lact lac lacOC lacP w trp operon of E coli

Part 2 a 10 pts Bambach et al 2013 analyzed data on all bicycle accidents involving collisions with motor vehicles in New South Wales Australia during 2001 2009 Their very extensive multi variable analysis includes the following numbers After clearly stating what test you will be using perform the test and conclude calculate a point estimate for the probability of having a head injury and wearing a helmet having a head injury when not wearing a helmet Wearing Helmet No helmet Head injury 372 267 Other injury 4715 1391 This is an observational study only but given the results and the proper test and so on do you think wearing a helmet has an effect on the risk of head injury Part 3 15 diverse NP

19 Name the 2 organisms on the diagram above that are most closely related 20 How do you know they are closely related 21 Name 2 organisms on the diagram above that are NOT closely related shet 22 23 Identify at least 2 differences between the organisms that you listed in 21

25 A population of birds lives on an island where their main food source is seeds Birds with smaller beaks can eat smaller seeds while birds with larger beaks can eat larger seeds more easily A fungus infects and destroys all the plants that make larger seeds leaving only small seeds as food What do you predict will happen to the population of birds

Question 7 of 10 Which statement best describes the stranger s character OA The stranger is wild and out of control often lashing out at those closest to him OB The stranger is sad and seems to be searching for a partner to share his life with OC The stranger is at times friendly and laughing yet also dark and brooding OD The stranger is shy and lacks confidence in his ability as a tinker SUBMIT

In two to three sentences describe the effect of the failure of national health care ar other democratic reforms in the 1994 congressional elections How did President Clinton respond

Match the vocabulary word with its definition below General Augusto Pinochet Revenue Sharing Perjury a b C President Nixon s plan to share money collected by the federal government with state and local governments The illegal action of lying in a court of law while under oath A dictator in Chile that was supported by President Nixon because he was anti communist

Maria checked the outside temperature before and after school According to the thermometers below how much did the temperature change during the day before school temperature 15 C 10 C 5 C 0 C 5 C 10 C It increased by 2 C It increased by 14 C It decreased by 14 C O It decreased by 2 C after school temperature 15 C 10 C 5 C 0 C 5 C 10 C

Biology The Poisson distribution is often applied to the rate of genetic mutations per offspring If the mean rate of mutation for a particular gene is 0 01 per generation what is the probability of an offspring having at least 1 mutation for that gene

Bonus Given your understanding of what NOU

Which moth color was more prevalent before 1850 14 a light Moths b dark moths c there were no moths d They were both present in equal numbers 15 a Dark Moths b Light Moths c Years d Percentage of moths captured In this graph what was the independent MIX variable c Dark Moths d Light Moths ob Wa eval 16 In this graph what was the dependent Dry variable sal yhusbi a Percentage of each color of moth captured b Years ort b Light Moths c Both have equal chance of surviving d Neither will survive 17 Which moth would have a better chance of surviving predation on the da surface of trees during the industrial revolution a Dark Moths

What was the impact of the Watergate scandal on American society Sentence Frame The impact of the Watergate scandal was that many Americans found faith in the government economy

Consider the vocabulary words above Which sentence best describes your understanding of the vocabulary terms There are no right or wrong answers as this question is specific to you A B C I do not know what the majority of the vocabulary words mean I know some of the vocabulary words and their meanings I am familiar with most of the vocabulary words and their meanings D I am able to define all of the vocabulary words

the vocabulary word with its correct definition Camp David Accords Conservative Liberal a b C Someone who generally believes that government should be small Conservatives usually align with the Republican party President Carter s attempt to create peace in the Middle East specifically between Israel and Egypt Someone who generally believes that the government is responsible for cre ating equal opportunities for Americans Usually liberals identify

Which combination of statements about phospholipids is true Note The application of the correct term to the actual orientation of the molecule is required The phosphate group is the negatively charged polar head this end of the molecule is hydrophobic The fatty acid chains are the uncharged nonpolar tail end this end of the molecule is hydrophilic The phosphate group is the positively charged polar head this end of the molecule is hydrophilic The fatty acid chains are the uncharged nonpolar tail end this end of the molecule is also hydrophilic The phosphate group is the positively charged polar head this end of the molecule is hydrophilic The fatty acid chains are the uncharged nonpolar tail end this end of the molecule is hydrophobic O The phosphate group is the negatively charged polar head this end of the molecule is hydrophilic The fatty acid chains are the uncharged nonpolar tail end this end of the molecule is hydrophobic

True or False President Carter was supported by social conservatives in the 1980 election A B True False

How do te CMI War affect polrics in the United States A In order to accelerate the end of the war military strategies focused on freeing enslaved people in order to serve as spies for the Union Army B In order to accelerate the end of the war politicians worked to develop legislation that would bring an end to slavery and weaken the Confederacy C In order to end the war Congress developed legislation that limited the president s ability to interfere in issues related to slavery D In order to end the war the President worked with his political allies to negotiate a peaceful resolution with the southern states

5 5 Write a full essay on the enzyme activity Your answer should cover the following subjects a Activation energy high concentrates and lowpoctivation entigy b Active sites c Temperature effect d pH effect e Enzyme inhibitors ten marks

Why can the bacteria cells that have been genetically transformed grow on LB amp plates O The bacteria cells now contain the ampicillin resistance gene from the plasmid O The plates have all of the nutrients needed for bacteria cells to survive O The bacteria cells now contain the GFP gene from the plasmid O The bacteria cells now contain the bacterial promoter from the plasmid

1 What are some of the positive for cloning humans motivations

came from the Roman end of the Silk Road A Spices B Precious metals C Silk D Pepper

Which of these measures is not part of the Missouri Plan for choosing state judges All judges are elected but may be replaced by governor appointees O The governor appoints justices to the state Supreme Court O The governor appoints court of appeals judges

A The north and south had diffrent Climates this caused them to have diffrent economies In the north the climate was cooler so their economy was buit on industry In the south the climate

3 What are some of the ethical concerns involved in cloning humans

Which of these questions is part of the CRAAP Test What are the author s qualifications O Does it answer my research question O What is the purpose of this information All of these are correct

The following table shows the number of alligators in each body of water near Tom s house Body of water Number of alligators Bite Swamp 7 Chomp Lake O Danger River 11 Reptile Creek 10 Find the mean number of alligators Enter the numerical value only

The following data values represent the selling prices of houses in a neighborhood 90000 100000 97000 93000 89000 103000 95000 85000 91000 350000 96000 91000 Which measure of central tendency is most appropriate for describing this data O None of these Mean O Median Mode

044 O 62 O 26 O Number of Cities 34 DBKHNOB6420 18 16 How many cities have temperatures between 70 degrees and 99 degrees 12 10 August Average Temperature of Cities 60 69 70 79 80 89 90 99 100 109 Temperatures F

For 10 points Summary of Chapter 7 TKAM In a minimum of 5 well written sentences PROOFREAD write a brief summary of this chapter You are using your notes write in your own words do NOT copy a summary from the internet

What is the error in this experiment Bill wants to know which skateboard wheels are the fastest He tests three types of wheels Zippy Turbo and Ludicrous He recruits three people to test one of the wheels Big Russell weighs 320 pounds and rides Zippy Mini Matt weighs 100 pounds and rides Turbo Tony Two Times weighs 200 pounds and rides Ludicrous The Ludicrous wheels end up going the furthest O He didn t use the same person for each type of wheel O Should have used a different road O Should have used more types of wheels O He measured wrong

Which of the following are examples of quantitative data Select all that may apply O Speed width length Measured data Numerical data

Numeric and measurable types of data such as height age scores cost are considered what type of data quiet quartile O qualitative quantitative

The weekly paychecks for 10 part time employees are 140 132 200 150 175 200 180 95 145 and 155 What is the range of the data set 100 O 110 O 105 O 120

Bubba Bulldog and all of his dog friends love to hide bones Bubba hid 4 bones Barry hid 5 bones Larry hid 10 bones and Goby hid 13 bones Find the mean number of dog bones Enter the numerical value only

What is the median for the following data set 40 35 37 40 39 39 36 38 36 39 36 39 35 39 36 37 41 37 38 36 35 40 40 41

Average resting VO2 in ml min 324 5 Average resting VO2 in ml min kg Average resting heat production in kcal hr 100 Average VO2 max in ml min 324 5 Average VO2 max in ml min kg Average exercise heat production in kcal hr 92 6

What do the letters in CRAAP stand for Professional Authority Accurate Acceptable Purpose Current

Some controversial issues are best examined through a variety of source types including social media True False

The label for the independent variable goes on the neither axis x axis bottom at the top O y axis side axis